Ketzin (, official name: Ketzin/Havel) is a town in the Havelland district, in Brandenburg, Germany. It is situated on the river Havel, 17 km northwest of Potsdam, and 40 km west of Berlin. History Demography Geography The town counts 6 Ortsteile (civil parishes): Etzin, Falkenrehde, Knoblauch, Paretz, Tremmen and Zachow. Transport The Ketzin Cable Ferry, a vehicular cable ferry, crosses the Havel between Ketzin and Schmergow. References External links Localities in Havelland